So many humans live on Earth, it’s hard to imagine there are animals we haven’t seen for years, decades, or even millions of ...

In April of 2025, headlines across the world announced that the dire wolf had been brought back from extinction. This 130-150 lbs wolf species, about 25% heavier than modern-day gray wolves, had not ...

A biotech company says CRISPR could revive extinct animals like the dodo and mammoth — but many scientists remain skeptical.

How do you save a species on the brink of extinction? According to the International Union for Conservation of Nature (IUCN), ...